Southwest Airlines is the most reliable airline on the DAL to BHM route with a 75% on-time rate. Based on 3,194 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DAL to BHM
Dallas to Birmingham — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines75%
DAL to BHM Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 75% | 1.2% | 54m | 3,194 |
Route Overview
74%
Overall On-Time
55m
Avg Delay
1.2%
Cancel Rate
3,194
Total Flights
Flying out of DAL? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.